Satellites are burning up in the upper atmosphere – and we still don’t know what impact this will have on the Earth’s climate
We know particles from spacecrafts are in the stratosphere. But what this means for the ozone layer or the climate is still unknown.
Fionagh Thomson, Senior Research Fellow in Space Ethics and Sustainability, Durham University •
conversation
Feb. 23, 2024 • ~7 min
Feb. 23, 2024 • ~7 min
The brightest object ever observed in the night sky is a black hole that’s growing by the equivalent of one Sun a day
The extreme object could tell us more about the environment around black holes.
Philip Wiseman, Research Fellow, Astronomy, University of Southampton •
conversation
Feb. 21, 2024 • ~7 min
Feb. 21, 2024 • ~7 min
I’ve been studying astronaut psychology since Apollo − a long voyage to Mars in a confined space could raise stress levels and make the journey more challenging
Can astronauts spend prolonged time in close quarters millions of miles from Earth without killing each other?
Nick Kanas, Professor Emeritus of Psychiatry, University of California, San Francisco •
conversation
Feb. 21, 2024 • ~8 min
Feb. 21, 2024 • ~8 min
Russia’s space weapon: anti-satellite systems are indiscriminate, posing a risk to everyone’s spacecraft
Destroying satellites in space can lead to cascades that are hard to predict.
Dafydd Townley, Teaching Fellow in International Security, University of Portsmouth •
conversation
Feb. 19, 2024 • ~7 min
Feb. 19, 2024 • ~7 min
Is Russia looking to put nukes in space? Doing so would undermine global stability and ignite an anti-satellite arms race
Russia isn’t likely to put nuclear missiles in space, but their reported anti-satellite weapon is just as alarming. An expert on nuclear strategy explains.
Spenser A. Warren, Postdoctoral Fellow in Technology and International Security, University of California, San Diego •
conversation
Feb. 17, 2024 • ~9 min
Feb. 17, 2024 • ~9 min
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